<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        *{margin: 0;padding: 0}
        #clock{
            width: 300px;
            height: 300px;
            border: 2px solid orange;
            border-radius: 50%;
        }
        #second{
            width: 2px;
            background: red;
            height: 150px;
            margin-top: -300px;
            margin-left: 150px;
        }
        #minute{
            width: 1px;
            background: blue;
            height: 300px;
            margin-top: -300px;
            margin-left: 150px;
        }
    </style>
</head>
<body>
<div id="clock"></div>
<div id="second"></div>
<div id="minute"></div>
<div id="hour"></div>
</body>
</html>